http_request action working nicely

docker/nginx.conf

@@ -26,9 +26,18 @@ server {
         add_header Content-Type text/plain;
     }
 
+    # Use Docker's embedded DNS resolver so that proxy_pass with variables
+    # resolves hostnames at request time, not config load time.
+    # This prevents nginx from crashing if backends aren't ready yet.
+    resolver 127.0.0.11 valid=10s;
+    set $api_upstream http://api:8080;
+    set $notifier_upstream http://notifier:8081;
+
     # Auth proxy - forward auth requests to backend
+    # With variable proxy_pass (no URI path), the full original request URI
+    # (e.g. /auth/login) is passed through to the backend as-is.
     location /auth/ {
-        proxy_pass http://api:8080/auth/;
+        proxy_pass $api_upstream;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
@@ -45,8 +54,10 @@ server {
     }
 
     # API proxy - forward API requests to backend (preserves /api prefix)
+    # With variable proxy_pass (no URI path), the full original request URI
+    # (e.g. /api/packs?page=1) is passed through to the backend as-is.
     location /api/ {
-        proxy_pass http://api:8080/api/;
+        proxy_pass $api_upstream;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
@@ -63,8 +74,11 @@ server {
     }
 
     # WebSocket proxy for notifier service
+    # Strip the /ws/ prefix before proxying (notifier expects paths at root).
+    # e.g. /ws/events → /events
     location /ws/ {
-        proxy_pass http://notifier:8081/;
+        rewrite ^/ws/(.*) /$1 break;
+        proxy_pass $notifier_upstream;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "Upgrade";